1 /* 2 * Copyright (c) 2009, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 27 package sun.util.logging; 28 29 import java.lang.System.Logger; 30 import java.util.ResourceBundle; 31 import java.util.function.Supplier; 32 import sun.util.logger.LoggerWrapper; 33 import sun.util.logging.PlatformLogger.Level; 34 35 /** 36 * Platform logger provides an API for the JRE components to log 37 * messages. 38 * 39 * The PlatformLoggerBridge interface is implemented by the System.Logger 40 * objects returned by our default JUL provider - so that JRE classes using 41 * PlatformLogger see no difference when JUL is the actual backend. 42 * 43 * The recommendation for JRE classes going forward is to use 44 * java.lang.System.getLogger(String name), which will 45 * use Lazy Loggers when possible and necessary. 46 * 47 * PlatformLogger is now only a thin adaptation layer over the same 48 * loggers than returned by java.lang.System.getLogger(String name). 49 * 50 * @since 1.9 51 */ 52 public interface ConfigurableLoggerBridge { 53 54 public abstract class LoggerConfiguration { 55 public abstract Level getPlatformLevel(); 56 public abstract void setPlatformLevel(Level level); 57 } 58 59 public default LoggerConfiguration getLoggerConfiguration() { 60 return null; 61 } 62 63 public static LoggerConfiguration getLoggerConfiguration(PlatformLoggerBridge logger) { 64 if (logger instanceof ConfigurableLoggerBridge) { 65 return ((ConfigurableLoggerBridge) logger).getLoggerConfiguration(); 66 } else { 67 return null; 68 } 69 } 70 }